code: def __call__(self, samples):
      return self.to_tensor(
          self.tokenize(
              {
                  key: [sample[key] for sample in samples]
                  for key in samples[0]
              }
          )
      )
  
file_path: lightning-flash/src/flash/core/integrations/transformers/collate.py
imports: from dataclasses import dataclass, field
  from typing import Any, Dict, Optional
  import torch
  from flash.core.data.io.input import DataKeys
  from flash.core.utilities.imports import _TRANSFORMERS_AVAILABLE
label_desc: Use image node_id 4 for calling the TransformersCollate obj's underlying member method code with example usage: obj.__call__(samples) and returns: self